Allow assertions to be enabled in Blink Release builds.

Source/core/inspector/InspectorTimelineAgent.cpp

 /*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
@@ skipping 145 matching lines @@
     String type;
     bool skipWhenUnbalanced;
 };
 
 class TimelineRecordStack {
 private:
     struct Entry {
         Entry(PassRefPtr<TimelineEvent> record, const String& type)
             : record(record)
             , children(TypeBuilder::Array<TimelineEvent>::create())
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
             , type(type)
 #endif
         {
         }
 
         RefPtr<TimelineEvent> record;
         RefPtr<TypeBuilder::Array<TimelineEvent> > children;
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
         String type;
 #endif
     };
 
 public:
     TimelineRecordStack() : m_timelineAgent(0) { }
     TimelineRecordStack(InspectorTimelineAgent*);
 
     void addScopedRecord(PassRefPtr<TimelineEvent> record, const String& type);
     void closeScopedRecord(double endTime);
     void addInstantRecord(PassRefPtr<TimelineEvent> record);
 
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
     bool isOpenRecordOfType(const String& type);
 #endif
 
 private:
     void send(PassRefPtr<JSONObject>);
 
     InspectorTimelineAgent* m_timelineAgent;
     Vector<Entry> m_stack;
 };
 
@@ skipping 1099 matching lines @@
 }
 
 void TimelineRecordStack::addInstantRecord(PassRefPtr<TimelineEvent> record)
 {
     if (m_stack.isEmpty())
         m_timelineAgent->sendEvent(record);
     else
         m_stack.last().children->addItem(record);
 }
 
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
 bool TimelineRecordStack::isOpenRecordOfType(const String& type)
 {
     return !m_stack.isEmpty() && m_stack.last().type == type;
 }
 #endif
 
 } // namespace WebCore